dovecot - Jul 2008 - FETCH for mailbox got too little data

Using 1.1.1. Got this error message in a tight loop, using both Tbird and 
Mulberry 3 as client:

FETCH for mailbox INBOX UID 32994 got too little data: 1616 vs 1649

I get this repeatedly alternating with a login line. What does this mean?

I stopped the server, zipped ~/mail/.imap/INBOX to hide it and let dovecot 
recreate it, and things seem to be working again. Is there a less 
destructive way to fix this in the future?

Delivery is by procmail.

On Tue, 2008-07-01 at 12:39 -0700, Kenneth Porter wrote:
> Using 1.1.1. Got this error message in a tight loop, using both Tbird and 
> Mulberry 3 as client:
> 
> FETCH for mailbox INBOX UID 32994 got too little data: 1616 vs 1649
> 
> I get this repeatedly alternating with a login line. What does this mean?
> 
> I stopped the server, zipped ~/mail/.imap/INBOX to hide it and let dovecot 
> recreate it, and things seem to be working again. Is there a less 
> destructive way to fix this in the future?
Delete dovecot.index.cache file. Although I thought v1.1 did this
automatically.

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--On Tuesday, July 01, 2008 10:51 PM +0300 Timo Sirainen <tss at iki.fi>
wrote:
> Delete dovecot.index.cache file. Although I thought v1.1 did this
> automatically.
Is this file obsolete? Should I remove it for all folders, or just ones 
that exhibit a problem? (I see many of them in the folder hierarchy.)